RAINBOW SALAD BOWLS WITH LEMON DRESSING

750g butternut squash, cut into 0.5cm thick slices • 1 tbsp olive oil • 1⁄2 small red onion, finely sliced • About 50 sprays Heinz Zesty Lemon Salad Spray • Pinch salt • 2 x 250g pouches ready cooked red and white quinoa • 2 romano peppers, deseeded and sliced • 1 large avocado, sliced • 200g cucumber, sliced • 140g pack red chicory, leaves separated • 100g English goats’ cheese, roughly torn (or 100g feta, crumbled)